/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * Programmer:	Raymond Lu
 *              October 14, 2001
 *
 * Purpose:	Tests the H5Tget_native_type function.
 */

#include "h5test.h"

const char *FILENAME[] = {
        "ntypes",
        NULL
};

#define DIM0    100
#define DIM1    200
#define DIM3    20


int	ipoints2[DIM0][DIM1], icheck2[DIM0][DIM1];
short	spoints2[DIM0][DIM1], scheck2[DIM0][DIM1];
int	ipoints3[DIM0][DIM1][5], icheck3[DIM0][DIM1][5];

#define DSET_ATOMIC_NAME_1	"atomic_type_1"
#define DSET_ATOMIC_NAME_2	"atomic_type_2"
#define DSET_ATOMIC_NAME_3	"atomic_type_3"
#define DSET_ATOMIC_NAME_4	"atomic_type_4"
#define DSET_ATOMIC_NAME_5	"atomic_type_5"
#define DSET_COMPOUND_NAME      "compound_type"
#define DSET_COMPOUND_NAME_2    "compound_type_2"
#define DSET_COMPOUND_NAME_3    "compound_type_3"
#define DSET_COMPOUND_NAME_4    "compound_type_4"
#define DSET_ENUM_NAME	        "enum_type"
#define DSET_ARRAY_NAME	        "array_type"
#define DSET_ARRAY2_NAME	"array_type_2"
#define DSET_VL_NAME	        "vl_type"
#define DSET_VLSTR_NAME         "vlstr_type"
#define DSET_STR_NAME           "str_type"
#define DSET_OPAQUE_NAME        "opaque_type"
#define DSET1_BITFIELD_NAME     "bitfield_type_1"
#define DSET2_BITFIELD_NAME     "bitfield_type_2"

#define SPACE1_DIM1             4
#define SPACE1_RANK             1
#define SPACE2_RANK	        2
#define SPACE2_DIM1	        10
#define SPACE2_DIM2	        10
#define BITFIELD_ENUMB          8


/*-------------------------------------------------------------------------
 * Function:	test_atomic_dtype
 *
 * Purpose:	Test H5Tget_native_type for atomic datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_atomic_dtype(hid_t file)
{
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1;
    int		i, j, n;
    hsize_t	dims[2];
    void       *tmp = NULL;

    TESTING("atomic datatype");

    /* Initialize the dataset */
    for(i = n = 0; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            ipoints2[i][j] = n++;

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /*------------------- Test data values ------------------------*/
    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_ATOMIC_NAME_1, H5T_STD_I32BE, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, ipoints2) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_ATOMIC_NAME_1, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Verify the datatype retrieved and converted */
    if(H5Tget_order(native_type) != H5Tget_order(H5T_NATIVE_INT))
        TEST_ERROR;
    if(H5Tget_size(native_type) < H5Tget_size(H5T_STD_I32BE))
        TEST_ERROR;
    if(H5T_INTEGER != H5Tget_class(native_type))
        TEST_ERROR;

    /* Read the dataset back.  The temporary buffer is for special platforms
     * like Cray. */
    if(NULL == (tmp = HDmalloc((size_t)(DIM0 * DIM1 * H5Tget_size(native_type)))))
        TEST_ERROR

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    /* Copy data from temporary buffer to destination buffer */
    HDmemcpy(icheck2, tmp, (size_t)(DIM0 * DIM1 * H5Tget_size(native_type)));
    HDfree(tmp);
    tmp = NULL;

    /* Convert to the integer type */
    if(H5Tconvert(native_type, H5T_NATIVE_INT, (DIM0 * DIM1), icheck2, NULL, H5P_DEFAULT) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    for(i = 0; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            if(ipoints2[i][j] != icheck2[i][j]) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                goto error;
            } /* end if */

    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;

    /*------------------ Test different data types ----------------*/

    /* Create the dataset of H5T_STD_I64LE */
    if((dataset = H5Dcreate2(file, DSET_ATOMIC_NAME_2, H5T_STD_I64LE, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Verify the datatype retrieved and converted */
    if(H5Tget_order(native_type) != H5Tget_order(H5T_NATIVE_LLONG))
        TEST_ERROR;
    if(H5Tget_size(native_type) < H5Tget_size(H5T_STD_I64LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(native_type))
        TEST_ERROR;

    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;


    /* Create the dataset of H5T_STD_I8LE */
    if((dataset = H5Dcreate2(file, DSET_ATOMIC_NAME_3, H5T_STD_I8LE, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_ASCEND)) < 0)
        TEST_ERROR;

    /* Verify the datatype retrieved and converted */
    if(H5Tget_order(native_type) != H5Tget_order(H5T_NATIVE_CHAR))
        TEST_ERROR;
    if(H5Tget_size(native_type) < H5Tget_size(H5T_STD_I8LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(native_type))
        TEST_ERROR;

    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;


    /* Create the dataset of H5T_IEEE_F32BE */
    if((dataset = H5Dcreate2(file, DSET_ATOMIC_NAME_4, H5T_IEEE_F32BE, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DESCEND)) < 0)
        TEST_ERROR;

    /* Verify the datatype retrieved and converted */
    if(H5Tget_order(native_type) != H5Tget_order(H5T_NATIVE_FLOAT))
        TEST_ERROR;
    if(H5Tget_size(native_type) < H5Tget_size(H5T_IEEE_F32BE))
        TEST_ERROR;
    if(H5T_FLOAT!=H5Tget_class(native_type))
        TEST_ERROR;

    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;


    /* Create the dataset of H5T_IEEE_F64BE */
    if((dataset = H5Dcreate2(file, DSET_ATOMIC_NAME_5, H5T_IEEE_F64BE, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DESCEND)) < 0)
        TEST_ERROR;

    /* Verify the datatype retrieved and converted */
    if(H5Tget_order(native_type) != H5Tget_order(H5T_NATIVE_DOUBLE))
        TEST_ERROR;
    if(H5Tget_size(native_type) < H5Tget_size(H5T_IEEE_F64BE))
        TEST_ERROR;
    if(H5T_FLOAT != H5Tget_class(native_type))
        TEST_ERROR;

    if(H5Dclose(dataset) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;


    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;

    PASSED();

    return 0;

error:
    if(tmp)
        HDfree(tmp);

    H5E_BEGIN_TRY {
        H5Dclose(dataset);
        H5Tclose(native_type);
        H5Tclose(dtype);
        H5Sclose(space);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_compound_dtype2
 *
 * Purpose:	Test H5Tget_native_type for compound datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_compound_dtype2(hid_t file)
{
    typedef struct s2 {
        short           c2;
        long            l2;
        long long       ll2;
    } s2;
    typedef struct s1 {
        char            c;
        int             i;
        s2              st;
        unsigned long long       l;
    } s1;
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid2 = -1, tid_m = -1,
                tid_m2 = -1, mem_id = -1, nest_mem_id = -1;
    int		i, j, n;
    hsize_t	dims[2];
    s1         *temp_point = NULL, *temp_check = NULL;
    s1 	       *points = NULL, *check = NULL;
    void       *tmp = NULL, *bkg = NULL;

    TESTING("nested compound datatype");

    /* Allocate space for the points & check arrays */
    if(NULL == (points = (s1 *)HDmalloc(sizeof(s1) * DIM0 * DIM1)))
        TEST_ERROR;
    if(NULL == (check = (s1 *)HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    /* Initialize the dataset */
    for(i = n = 0, temp_point = points; i < DIM0; i++) {
        for(j = 0; j < DIM1; j++, temp_point++) {
            temp_point->c = 't';
            temp_point->i = n++;
            temp_point->st.c2 = (short)(i + j);
            temp_point->st.l2 = (i * 5 + j * 50) * n;
            temp_point->st.ll2 = (i * 10 + j * 100) * n;
            temp_point->l = (unsigned long long)((i * 40 + j * 400) * n);
        } /* end for */
    } /* end for */

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /* Create compound datatype for disk storage */
    if((tid2=H5Tcreate(H5T_COMPOUND, sizeof(s2))) < 0) TEST_ERROR;
    if((tid=H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;

    /* Insert and pack members */
    if(H5Tinsert(tid2, "c2", HOFFSET(s2, c2), H5T_STD_I16BE) < 0) TEST_ERROR;
#if H5_SIZEOF_LONG == 4
    if(H5Tinsert(tid2, "l2", HOFFSET(s2, l2), H5T_STD_I32LE) < 0) TEST_ERROR;
#elif H5_SIZEOF_LONG == 8
    if(H5Tinsert(tid2, "l2", HOFFSET(s2, l2), H5T_STD_I64LE) < 0) TEST_ERROR;
#else
#error "Unknown 'long' size"
#endif
#if H5_SIZEOF_LONG_LONG == 4
    if(H5Tinsert(tid2, "ll2", HOFFSET(s2, ll2), H5T_STD_I32BE) < 0) TEST_ERROR;
#elif H5_SIZEOF_LONG_LONG == 8
    if(H5Tinsert(tid2, "ll2", HOFFSET(s2, ll2), H5T_STD_I64BE) < 0) TEST_ERROR;
#else
#error "Unknown 'long long' size"
#endif

    if(H5Tinsert(tid, "c", HOFFSET(s1, c), H5T_STD_U8LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "i", HOFFSET(s1, i), H5T_STD_I32LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "st", HOFFSET(s1, st), tid2) < 0) TEST_ERROR;
#if H5_SIZEOF_LONG_LONG == 4
    if(H5Tinsert(tid, "l", HOFFSET(s1, l), H5T_STD_U32BE) < 0) TEST_ERROR;
#elif H5_SIZEOF_LONG_LONG == 8
    if(H5Tinsert(tid, "l", HOFFSET(s1, l), H5T_STD_U64BE) < 0) TEST_ERROR;
#else
#error "Unknown 'long long' size"
#endif

    /* Take away the paddings */
    if(H5Tpack(tid) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_COMPOUND_NAME_2, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create compound datatype for memory */
    if((tid_m2 = H5Tcreate(H5T_COMPOUND, sizeof(s2))) < 0) TEST_ERROR;
    if((tid_m = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;

    /* Insert members */
    if(H5Tinsert(tid_m2, "c2", HOFFSET(s2, c2), H5T_NATIVE_SHORT) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m2, "l2", HOFFSET(s2, l2), H5T_NATIVE_LONG) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m2, "ll2", HOFFSET(s2, ll2), H5T_NATIVE_LLONG) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "c", HOFFSET(s1, c), H5T_NATIVE_UCHAR) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "i", HOFFSET(s1, i), H5T_NATIVE_INT) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "st", HOFFSET(s1, st), tid_m2) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "l", HOFFSET(s1, l), H5T_NATIVE_ULLONG) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;


    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_COMPOUND_NAME_2, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Tequal(native_type, tid_m) != TRUE)
        TEST_ERROR;

    /* Verify the datatype of each field retrieved and converted */
    /* check the char member */
    if((mem_id = H5Tget_member_type(native_type, 0)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_SCHAR))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I8LE))
        TEST_ERROR;
    if(H5T_INTEGER != H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the integer member */
    if((mem_id = H5Tget_member_type(native_type, 1)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_INT))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I32LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the unsigned long long member */
    if((mem_id = H5Tget_member_type(native_type, 3)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_ULLONG))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_U64BE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the nested compound member */
    if((nest_mem_id = H5Tget_member_type(native_type, 2)) < 0)
        TEST_ERROR;

    if((mem_id = H5Tget_member_type(nest_mem_id, 0)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_SHORT))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I16BE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    if((mem_id = H5Tget_member_type(nest_mem_id, 1)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_LONG))
        TEST_ERROR;
#if H5_SIZEOF_LONG==4
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I32LE)) TEST_ERROR;
#elif H5_SIZEOF_LONG==8
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I64LE)) TEST_ERROR;
#else
#error "Unknown 'long' size"
#endif
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    if((mem_id = H5Tget_member_type(nest_mem_id, 2)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_LLONG))
        TEST_ERROR;
#if H5_SIZEOF_LONG_LONG==4
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I32LE)) TEST_ERROR;
#elif H5_SIZEOF_LONG_LONG==8
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I64LE)) TEST_ERROR;
#else
#error "Unknown 'long long' size"
#endif
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR
    if(NULL == (bkg = HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(check, tmp, DIM0*DIM1*H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), check, bkg, H5P_DEFAULT) < 0)
        TEST_ERROR;

    HDfree(bkg);
    bkg = NULL;

    /* Check that the values read are the same as the values written */
    for(i = 0, temp_point = points, temp_check = check; i < DIM0; i++) {
        for(j = 0; j < DIM1; j++, temp_point++, temp_check++) {
            if(temp_point->c != temp_check->c ||
                    temp_point->i != temp_check->i ||
                    temp_point->st.c2 != temp_check->st.c2 ||
                    temp_point->st.l2 != temp_check->st.l2 ||
                    temp_point->st.ll2 != temp_check->st.ll2 ||
                    temp_point->l != temp_check->l ) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                goto error;
            } /* end if */
        } /* end for */
    } /* end for */

    /* Close temporary datatypes */
    if(H5Tclose(tid2) < 0) TEST_ERROR;
    if(H5Tclose(tid) < 0) TEST_ERROR;
    if(H5Tclose(tid_m2) < 0) TEST_ERROR;

    /* Close HDF5 objects */
    H5Dclose(dataset);
    H5Tclose(dtype);
    H5Tclose(native_type);
    H5Tclose(tid_m);

    /* Free memory for test data */
    HDfree(points);
    HDfree(check);

    PASSED();
    return 0;

error:
    if(tmp)
        HDfree(tmp);
    if(bkg)
        HDfree(bkg);
    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    H5E_BEGIN_TRY {
        H5Tclose(tid);
        H5Tclose(tid2);
        H5Tclose(tid_m);
        H5Tclose(tid_m2);
        H5Sclose(space);
        H5Tclose(mem_id);
        H5Tclose(nest_mem_id);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_compound_dtype
 *
 * Purpose:	Test H5Tget_native_type for compound datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_compound_dtype(hid_t file)
{
    typedef struct {
        char            c;
        unsigned int    i;
        long long       l;
    } s1;
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid2 = -1, mem_id = -1;
    int		i, j, n;
    hsize_t	dims[2];
    s1         *temp_point = NULL;
    s1         *temp_check = NULL;
    s1         *points = NULL;
    s1         *check = NULL;
    void       *tmp = NULL;
    void       *bkg = NULL;

    TESTING("compound datatype");

    /* Allocate space for the points & check arrays */
    if(NULL == (points = (s1 *)HDmalloc(sizeof(s1) * DIM0 * DIM1)))
        TEST_ERROR;
    if(NULL == (check = (s1 *)HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    /* Initialize the dataset */
    for(i = n = 0, temp_point = points; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++) {
            temp_point->c = 't';
            temp_point->i = (unsigned int)(n++);
            temp_point->l = (i * 10 + j * 100) * n;
        } /* end for */

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /* Create compound datatype for disk storage */
    if((tid = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;

    /* Insert members */
    if(H5Tinsert(tid, "c", 0, H5T_STD_U8LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "i", 1, H5T_STD_U32LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "l", 5, H5T_STD_I64BE) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_COMPOUND_NAME, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create compound datatype for datatype in memory */
    if((tid2 = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;
    if(H5Tinsert(tid2, "c", HOFFSET(s1, c), H5T_NATIVE_UCHAR) < 0) TEST_ERROR;
    if(H5Tinsert(tid2, "i", HOFFSET(s1, i), H5T_NATIVE_UINT) < 0) TEST_ERROR;
    if(H5Tinsert(tid2, "l", HOFFSET(s1, l), H5T_NATIVE_LLONG) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid2, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;


    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_COMPOUND_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    if(H5Tequal(native_type, tid2) != TRUE)
        TEST_ERROR;

    /* Verify the datatype of each field retrieved and converted */
    if((mem_id = H5Tget_member_type(native_type, 0)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_UCHAR))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_U8LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    if((mem_id = H5Tget_member_type(native_type, 1)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_UINT))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_U32LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    if((mem_id = H5Tget_member_type(native_type, 2)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_LLONG))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I64BE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR
    if(NULL == (bkg = HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(check, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid2, (DIM0 * DIM1), check, bkg, H5P_DEFAULT) < 0)
        TEST_ERROR;

    HDfree(bkg);
    bkg = NULL;

    /* Check that the values read are the same as the values written */
    for(i = 0, temp_point = points, temp_check = check; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++, temp_check++)
            if(temp_point->c != temp_check->c ||
                    temp_point->i != temp_check->i ||
                    temp_point->l != temp_check->l ) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                goto error;
            } /* end if */

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;

    H5Dclose(dataset);
    H5Tclose(dtype);
    H5Tclose(native_type);
    H5Tclose(tid2);

    /* Free memory for test data */
    HDfree(points);
    HDfree(check);

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);
    if(bkg)
        HDfree(bkg);
    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    H5E_BEGIN_TRY {
        H5Tclose(tid);
        H5Sclose(space);
        H5Tclose(mem_id);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid2);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_compound_dtype3
 *
 * Purpose:	Test H5Tget_native_type for compound datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_compound_dtype3(hid_t file)
{
    typedef struct {
        char            c;
        int             a[5];
        long long       l;
    } s1;
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid2 = -1, tid_m = -1,
                tid_m2 = -1, mem_id = -1, nest_mem_id = -1;
    hsize_t     array_dims[1] = {5};
    int		i, j, k, n;
    hsize_t	dims[2];
    s1         *temp_point = NULL, *temp_check = NULL;
    s1 	       *points = NULL, *check = NULL;
    void       *tmp = NULL, *bkg = NULL;

    TESTING("compound datatype with array as field");

    /* Allocate space for the points & check arrays */
    if(NULL == (points = (s1 *)HDmalloc(sizeof(s1) * DIM0 * DIM1)))
        TEST_ERROR;
    if(NULL == (check = (s1 *)HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    /* Initialize the dataset */
    for(i = n = 0, temp_point = points; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++) {
            temp_point->c = 't';
            temp_point->l = (i * 10 + j * 100) * n;
            for(k = 0; k < 5; k++)
                (temp_point->a)[k] = n++;
        } /* end for */

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /* Create array datatype */
    if((tid2 = H5Tarray_create2(H5T_STD_I32LE, 1, array_dims)) < 0) TEST_ERROR;

    /* Create compound datatype for disk storage */
    if((tid = H5Tcreate(H5T_COMPOUND, 29)) < 0) TEST_ERROR;

    /* Insert members */
    if(H5Tinsert(tid, "c", 0, H5T_STD_U8LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "a", 1, tid2) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "l", 21, H5T_STD_I64BE) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_COMPOUND_NAME_3, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create array datatype */
    if((tid_m2 = H5Tarray_create2(H5T_NATIVE_INT, 1, array_dims)) < 0) TEST_ERROR;

    /* Create compound datatype for datatype in memory */
    if((tid_m = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "c", HOFFSET(s1, c), H5T_NATIVE_UCHAR) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "a", HOFFSET(s1, a), tid_m2) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "l", HOFFSET(s1, l), H5T_NATIVE_LLONG) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;
    if(H5Tclose(tid2) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;


    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_COMPOUND_NAME_3, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Verify the datatype of each field retrieved and converted */
    /* check the char member */
    if((mem_id = H5Tget_member_type(native_type, 0)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_UCHAR))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_U8LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the array member */
    if((mem_id = H5Tget_member_type(native_type, 1)) < 0)
        TEST_ERROR;
    if(H5T_ARRAY!=H5Tget_class(mem_id))
        TEST_ERROR;
    if((nest_mem_id = H5Tget_super(mem_id)) < 0)
        TEST_ERROR;
    if(H5Tget_order(nest_mem_id) != H5Tget_order(H5T_NATIVE_INT))
        TEST_ERROR;
    if(H5Tget_size(nest_mem_id) < H5Tget_size(H5T_STD_I32LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(nest_mem_id))
        TEST_ERROR;
    H5Tclose(nest_mem_id);
    H5Tclose(mem_id);

    /* check the long long member */
    if((mem_id = H5Tget_member_type(native_type, 2)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_LLONG))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I64BE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR;
    if(NULL == (bkg = HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(check, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), check, bkg, H5P_DEFAULT) < 0)
        TEST_ERROR;

    HDfree(bkg);
    bkg = NULL;

    /* Check that the values read are the same as the values written */
    for(i = 0, temp_point = points, temp_check = check; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++, temp_check++) {
            if(temp_point->c != temp_check->c ||
                    temp_point->l != temp_check->l ) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                goto error;
            } /* end if */

            for(k = 0; k < 5; k++) {
                if(temp_point->a[k] != temp_check->a[k]) {
                    H5_FAILED();
                    HDprintf("    Read different values than written.\n");
                    HDprintf("    At index %d,%d,%d\n", i, j, k);
                    goto error;
                } /* end if */
            } /* end for */
        } /* end for */

    H5Dclose(dataset);
    H5Tclose(dtype);
    H5Tclose(native_type);
    H5Tclose(tid_m);
    H5Tclose(tid_m2);

    /* Free memory for test data */
    HDfree(points);
    HDfree(check);

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);
    if(bkg)
        HDfree(bkg);
    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Tclose(mem_id);
        H5Tclose(nest_mem_id);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid);
        H5Tclose(tid2);
        H5Tclose(tid_m);
        H5Tclose(tid_m2);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_compound_opaque
 *
 * Purpose:	Test H5Tget_native_type for compound datatype with opaque field
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Quincey Koziol
 *		January 31, 2004
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_compound_opaque(hid_t file)
{
    typedef struct {
        char            c;
        unsigned char   o[5];
        long long       l;
    } s1;
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid2 = -1, tid_m = -1,
                mem_id = -1;
    int		i, j, k, n;
    hsize_t	dims[2];
    s1         *temp_point = NULL, *temp_check = NULL;
    s1 	       *points = NULL, *check = NULL;
    void       *tmp = NULL, *bkg = NULL;

    TESTING("compound datatype with opaque field");

    /* Allocate space for the points & check arrays */
    if(NULL == (points = (s1 *)HDmalloc(sizeof(s1) * DIM0 * DIM1)))
        TEST_ERROR;
    if(NULL == (check = (s1 *)HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    /* Initialize the dataset */
    for(i = n = 0, temp_point = points; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++) {
            temp_point->c = 't';
            temp_point->l = (i * 10 + j * 100) * n;
            for(k = 0; k < 5; k++)
                (temp_point->o)[k] = (unsigned char)(n++);
        } /* end for */

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /* Create opaque datatype */
    if((tid2 = H5Tcreate(H5T_OPAQUE, sizeof(temp_point->o))) < 0) TEST_ERROR;
    if(H5Tset_tag(tid2, "testing opaque field") < 0) TEST_ERROR;

    /* Create compound datatype for disk storage */
    if((tid = H5Tcreate(H5T_COMPOUND, 14)) < 0) TEST_ERROR;

    /* Insert members */
    if(H5Tinsert(tid, "c", 0, H5T_STD_U8LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "o", 1, tid2) < 0) TEST_ERROR;
    if(H5Tinsert(tid, "l", 6, H5T_STD_I64BE) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_COMPOUND_NAME_4, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create compound datatype for datatype in memory */
    if((tid_m = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "c", HOFFSET(s1, c), H5T_NATIVE_UCHAR) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "o", HOFFSET(s1, o), tid2) < 0) TEST_ERROR;
    if(H5Tinsert(tid_m, "l", HOFFSET(s1, l), H5T_NATIVE_LLONG) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;
    if(H5Tclose(tid2) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;


    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_COMPOUND_NAME_4, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Verify the datatype of each field retrieved and converted */
    /* check the char member */
    if((mem_id = H5Tget_member_type(native_type, 0)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_UCHAR))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_U8LE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the array member */
    if((mem_id = H5Tget_member_type(native_type, 1)) < 0)
        TEST_ERROR;
    if(H5T_OPAQUE!=H5Tget_class(mem_id))
        TEST_ERROR;
    if(H5Tget_size(mem_id) != sizeof(temp_point->o))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* check the long long member */
    if((mem_id = H5Tget_member_type(native_type, 2)) < 0)
        TEST_ERROR;
    if(H5Tget_order(mem_id) != H5Tget_order(H5T_NATIVE_LLONG))
        TEST_ERROR;
    if(H5Tget_size(mem_id) < H5Tget_size(H5T_STD_I64BE))
        TEST_ERROR;
    if(H5T_INTEGER!=H5Tget_class(mem_id))
        TEST_ERROR;
    H5Tclose(mem_id);

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR;
    if(NULL == (bkg = HDcalloc(sizeof(s1), DIM0 * DIM1)))
        TEST_ERROR;

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(check, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), check, bkg, H5P_DEFAULT) < 0)
        TEST_ERROR;

    HDfree(bkg);
    bkg = NULL;

    /* Check that the values read are the same as the values written */
    for(i = 0, temp_point = points, temp_check = check; i < DIM0; i++)
        for(j = 0; j < DIM1; j++, temp_point++, temp_check++) {
            if(temp_point->c != temp_check->c ||
                    temp_point->l != temp_check->l ) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                goto error;
            } /* end if */

            for(k = 0; k < 5; k++) {
                if(temp_point->o[k] != temp_check->o[k]) {
                    H5_FAILED();
                    HDprintf("    Read different values than written.\n");
                    HDprintf("    At index %d,%d,%d\n", i, j, k);
                    goto error;
                } /* end if */
            } /* end for */
        } /* end for */

    H5Dclose(dataset);
    H5Tclose(dtype);
    H5Tclose(native_type);
    H5Tclose(tid_m);

    /* Free memory for test data */
    HDfree(points);
    HDfree(check);

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);
    if(bkg)
        HDfree(bkg);
    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Tclose(mem_id);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid);
        H5Tclose(tid2);
        H5Tclose(tid_m);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_enum_dtype
 *
 * Purpose:	Test H5Tget_native_type for enumerate datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_enum_dtype(hid_t file)
{
    hid_t	dataset = -1, space = -1;
    hid_t       tid = -1, tid_m = -1, dtype = -1, native_type = -1;
    int		i, j, n;
    hsize_t	dims[2];
    void        *tmp = NULL;
    short        colors[8];
    unsigned char sub_colors[16];
    const char  *mname[] = { "RED",
                            "GREEN",
                            "BLUE",
                            "YELLOW",
                            "PINK",
                            "PURPLE",
                            "ORANGE",
                            "WHITE" };

    TESTING("enum datatype");

    /* Initialize the dataset */
    for(i = 0; i < DIM0; i++)
        for(j = 0, n = 0; j < DIM1; j++, n++)
            spoints2[i][j] = (short)((i * 10 + j * 100 + n) % 8);

    /* Create the data space */
    dims[0] = DIM0;
    dims[1] = DIM1;
    if((space = H5Screate_simple(2, dims, NULL)) < 0) TEST_ERROR;

    /* Construct enum type based on native type */
    if((tid = H5Tenum_create(H5T_STD_I16LE)) < 0) TEST_ERROR;

    for(i = 0; i < 8; i++) {
        sub_colors[i * 2] = (unsigned char)i;
        sub_colors[i * 2 + 1] = 0;
        if(H5Tenum_insert(tid, mname[i], &(sub_colors[i*2])) < 0) TEST_ERROR;
    } /* end for */

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_ENUM_NAME, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Construct enum type based on native type in memory */
    if((tid_m = H5Tenum_create(H5T_NATIVE_SHORT)) < 0) TEST_ERROR;

    for(i = 0; i < 8; i++) {
        colors[i] = (short)i;
        if(H5Tenum_insert(tid_m, mname[i], &(colors[i])) < 0) TEST_ERROR;
    } /* end for */

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, spoints2) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;

    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_ENUM_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(scheck2, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), scheck2, NULL, H5P_DEFAULT) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    for(i = 0; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            if(spoints2[i][j] != scheck2[i][j]) {
                H5_FAILED();
                HDprintf("    Read different values than written.\n");
                HDprintf("    At index %d,%d\n", i, j);
                HDprintf(" spoints2[i][j]=%hd, scheck2[i][j]=%hd\n", spoints2[i][j],
                        scheck2[i][j]);
                goto error;
            } /* end if */

    H5Dclose(dataset);
    H5Tclose(dtype);
    H5Tclose(native_type);
    H5Tclose(tid_m);
    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);

    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid);
        H5Tclose(tid_m);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_array_dtype
 *
 * Purpose:	Test H5Tget_native_type for array datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_array_dtype(hid_t file)
{
    typedef struct {
        char    c;
        int     i;
        long long l;
    } s1;
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid2 = -1, tid3 = -1, tid_m = -1;
    int		i, j, k, n;
    hsize_t	space_dims[2], array_dims[1]={5};
    s1         *temp_point = NULL, *temp_check = NULL;
    s1 	       *points = NULL, *check = NULL;
    void       *tmp = NULL;

    TESTING("array of compound datatype");

    /* Allocate space for the points & check arrays */
    if(NULL == (points = (s1 *)HDmalloc(sizeof(s1) * DIM0 * DIM1 * 5)))
        TEST_ERROR;
    if(NULL == (check = (s1 *)HDcalloc(sizeof(s1), DIM0 * DIM1 * 5)))
        TEST_ERROR;

    /* Initialize the dataset */
    for(i = n = 0, temp_point = points; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            for(k = 0; k < 5; k++,temp_point++) {
                temp_point->c= 't';
                temp_point->i= n++;
                temp_point->l= (i * 10 + j * 100) * n;
            } /* end for */

    /* Create the data space */
    space_dims[0] = DIM0;
    space_dims[1] = DIM1;
    if((space = H5Screate_simple(2, space_dims, NULL)) < 0) TEST_ERROR;

    /* Create compound datatype for disk storage */
    if((tid2 = H5Tcreate(H5T_COMPOUND, 13)) < 0) TEST_ERROR;

    /* Insert members */
    if(H5Tinsert(tid2, "c", 0, H5T_STD_U8BE) < 0) TEST_ERROR;
    if(H5Tinsert(tid2, "i", 1, H5T_STD_U32LE) < 0) TEST_ERROR;
    if(H5Tinsert(tid2, "l", 5, H5T_STD_I64BE) < 0) TEST_ERROR;

    /* Create array datatype for disk storage */
    if((tid = H5Tarray_create2(tid2, 1, array_dims)) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_ARRAY_NAME, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create compound datatype for datatype in memory */
    if((tid3 = H5Tcreate(H5T_COMPOUND, sizeof(s1))) < 0) TEST_ERROR;
    if(H5Tinsert(tid3, "c", HOFFSET(s1, c), H5T_NATIVE_UCHAR) < 0) TEST_ERROR;
    if(H5Tinsert(tid3, "i", HOFFSET(s1, i), H5T_NATIVE_UINT) < 0) TEST_ERROR;
    if(H5Tinsert(tid3, "l", HOFFSET(s1, l), H5T_NATIVE_LLONG) < 0) TEST_ERROR;

    /* Create array datatype for memory */
    if((tid_m = H5Tarray_create2(tid3, 1, array_dims)) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, points) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;
    if(H5Tclose(tid2) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;

    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_ARRAY_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the dataset back. Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(check, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), check, NULL, H5P_DEFAULT) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    for(i = 0, temp_point = points, temp_check = check; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            for(k = 0; k < 5; k++, temp_point++, temp_check++)
                if(temp_point->c != temp_check->c ||
                        temp_point->i != temp_check->i ||
                        temp_point->l != temp_check->l ) {
                    H5_FAILED();
                    HDprintf("    Read different values than written.\n");
                    HDprintf("    At index %d,%d\n", i, j);
                    goto error;
                } /* end if */

    /* Close HDF5 objects */
    if(H5Dclose(dataset)) TEST_ERROR;
    if(H5Tclose(native_type)) TEST_ERROR;
    if(H5Tclose(dtype)) TEST_ERROR;
    if(H5Tclose(tid_m) < 0) TEST_ERROR;
    if(H5Tclose(tid3) < 0) TEST_ERROR;

    /* Free memory for test data */
    HDfree(points);
    HDfree(check);

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);
    if(points)
        HDfree(points);
    if(check)
        HDfree(check);

    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid);
        H5Tclose(tid2);
        H5Tclose(tid3);
        H5Tclose(tid_m);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_array_dtype2
 *
 * Purpose:	Test H5Tget_native_type for array datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_array_dtype2(hid_t file)
{
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, tid = -1, tid_m = -1;
    int		i, j, k, n;
    hsize_t	space_dims[2], array_dims[1] = {5};
    void       *tmp = NULL;

    TESTING("array of atomic datatype");

    /* Initialize the dataset */
    for(i = n = 0;i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            for(k = 0; k < 5; k++)
                ipoints3[i][j][k] = n++;

    /* Create the data space */
    space_dims[0] = DIM0;
    space_dims[1] = DIM1;
    if((space = H5Screate_simple(2, space_dims, NULL)) < 0) TEST_ERROR;

    /* Create array datatype for disk storage */
    if((tid = H5Tarray_create2(H5T_STD_I32LE, 1, array_dims)) < 0) TEST_ERROR;

    /* Create the dataset */
    if((dataset = H5Dcreate2(file, DSET_ARRAY2_NAME, tid, space,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create array datatype for memory */
    if((tid_m = H5Tarray_create2(H5T_NATIVE_INT, 1, array_dims)) < 0) TEST_ERROR;

    /* Write the data to the dataset */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, ipoints3) < 0)
        TEST_ERROR;

    /* Close dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid) < 0) TEST_ERROR;

    /* Close dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;

    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_ARRAY2_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Read the dataset back.  Temporary buffer is for special platforms like
     * Cray */
    if(NULL == (tmp = HDmalloc(DIM0 * DIM1 * H5Tget_size(native_type))))
        TEST_ERROR

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, tmp) < 0)
        TEST_ERROR;

    HDmemcpy(icheck3, tmp, DIM0 * DIM1 * H5Tget_size(native_type));
    HDfree(tmp);
    tmp = NULL;

    if(H5Tconvert(native_type, tid_m, (DIM0 * DIM1), icheck3, NULL, H5P_DEFAULT) < 0)
        TEST_ERROR;

    /* Check that the values read are the same as the values written */
    for(i = 0; i < DIM0; i++)
        for(j = 0; j < DIM1; j++)
            for(k = 0; k < 5; k++)
                if(icheck3[i][j][k] != ipoints3[i][j][k]) {
                    H5_FAILED();
                    HDprintf("    Read different values than written.\n");
                    HDprintf("    At index %d,%d\n", i, j);
                    goto error;
                } /* end if */

    /* Close HDF5 objects */
    if(H5Dclose(dataset)) TEST_ERROR;
    if(H5Tclose(native_type)) TEST_ERROR;
    if(H5Tclose(dtype)) TEST_ERROR;
    if(H5Tclose(tid_m) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);

    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid);
        H5Tclose(tid_m);
    } H5E_END_TRY;

    return -1;
}


/*-------------------------------------------------------------------------
 * Function:	test_vl_dtype
 *
 * Purpose:	Test H5Tget_native_type for variable length datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_vl_dtype(hid_t file)
{
    hvl_t       wdata[SPACE1_DIM1];   /* Information to write */
    hvl_t       rdata[SPACE1_DIM1];   /* Information read in */
    hvl_t       *t1, *t2;             /* Temporary pointer to VL information */
    hsize_t	dims1[] = {SPACE1_DIM1};
    hid_t	dataset = -1, space = -1;
    hid_t       dtype = -1, native_type = -1, nat_super_type = -1, tid = -1, tid2 = -1, tid_m = -1, tid_m2 = -1;
    size_t	i, j, k;
    void      **tmp = NULL;

    TESTING("variable length datatype");

    /* Allocate and initialize VL data to write */
    for(i = 0; i < SPACE1_DIM1; i++) {
        wdata[i].p = HDmalloc((i + 1) * sizeof(hvl_t));
        if(NULL == wdata[i].p) {
            H5_FAILED();
            HDprintf("    Cannot allocate memory for VL data! i=%u\n",(unsigned)i);
            goto error;
        } /* end if */
        wdata[i].len = i + 1;
        for(t1 = (hvl_t *)wdata[i].p, j = 0; j < (i + 1); j++, t1++) {
            t1->p = HDmalloc((j + 1) * sizeof(unsigned int));
            if(NULL == t1->p) {
                H5_FAILED();
                HDprintf("    Cannot allocate memory for VL data! i=%u, j=%u\n",(unsigned)i,(unsigned)j);
                goto error;
            } /* end if */
            t1->len = j + 1;
            for(k = 0; k < (j + 1); k++)
                ((unsigned int *)t1->p)[k] = (unsigned int)(i * 100 + j * 10 + k);
        } /* end for */
    } /* end for */

    /* Create dataspace for datasets */
    if((space = H5Screate_simple(SPACE1_RANK, dims1, NULL)) < 0) TEST_ERROR;

    /* Create the base VL type */
    if((tid2 = H5Tvlen_create (H5T_STD_U32LE)) < 0) TEST_ERROR;

    /* Create a VL datatype for disk storage */
    if((tid = H5Tvlen_create(tid2)) < 0) TEST_ERROR

    /* Create a dataset */
    if((dataset = H5Dcreate2(file, DSET_VL_NAME, tid, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create a base VL datatype for memory */
    if((tid_m2 = H5Tvlen_create(H5T_NATIVE_UINT)) < 0) TEST_ERROR;

    /* Create a VL datatype for memory */
    if((tid_m = H5Tvlen_create (tid_m2)) < 0) TEST_ERROR;

    /* Write dataset to disk */
    if(H5Dwrite(dataset, tid_m, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata) < 0) TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid2) < 0) TEST_ERROR;
    if(H5Tclose(tid) < 0) TEST_ERROR;

    /* Open a dataset */
    if((dataset = H5Dopen2(file, DSET_VL_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Get native datatype for dataset */
    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Also get native base type for this nested VL type.  Should be an integer type. */
    if((nat_super_type = H5Tget_super(native_type)) < 0)
        TEST_ERROR;
    if((nat_super_type = H5Tget_super(nat_super_type)) < 0)
        TEST_ERROR;

    /* Read dataset from disk */
    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata) < 0) TEST_ERROR;

    /* Compare data read in */
    for(i = 0; i < SPACE1_DIM1; i++) {
        if(wdata[i].len != rdata[i].len) {
            H5_FAILED();
            HDprintf("    VL data length don't match!, wdata[%d].len=%d, rdata[%d].len=%d\n",(int)i,(int)wdata[i].len,(int)i,(int)rdata[i].len);
            goto error;
        } /* end if */
        for(t1 = (hvl_t *)wdata[i].p, t2 = (hvl_t *)rdata[i].p, j = 0; j < rdata[i].len; j++, t1++, t2++) {
            if(t1->len != t2->len) {
                H5_FAILED();
                HDprintf("    VL data length don't match!, wdata[%d].len=%d, rdata[%d].len=%d\n",(int)i,(int)wdata[i].len,(int)i,(int)rdata[i].len);
                goto error;
            } /* end if */

            /* use temporary buffer to convert datatype.  This is for special
             * platforms like Cray */
            if(NULL == (tmp = (void **)HDmalloc(t2->len * sizeof(unsigned int))))
                TEST_ERROR
            HDmemcpy(tmp, t2->p, t2->len * H5Tget_size(nat_super_type));

            if(H5Tconvert(nat_super_type, H5T_NATIVE_UINT, t2->len, tmp, NULL, H5P_DEFAULT) < 0)
                TEST_ERROR;

            for(k = 0; k < t2->len; k++) {
                if(((unsigned int *)t1->p)[k] != ((unsigned int *)tmp)[k]) {
                    H5_FAILED();
                    HDprintf("    VL data don't match!, wdata[%u].p=%d, rdata[%u].p=%u\n",
                            (unsigned)i, ((unsigned int*)t1->p)[k], (unsigned)i, ((unsigned int*)tmp)[k]);
                    goto error;
                } /* end if */
            } /* end for */

            HDfree(tmp);
            tmp = NULL;
        } /* end for */
    } /* end for */

    /* Reclaim the read VL data */
    if(H5Dvlen_reclaim(native_type, space, H5P_DEFAULT, rdata) < 0) TEST_ERROR;

    /* Reclaim the write VL data */
    if(H5Dvlen_reclaim(native_type, space, H5P_DEFAULT, wdata) < 0) TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    native_type = -1;     /* reset so that error handling can check for VL reclaim */
    if(H5Tclose(dtype) < 0) TEST_ERROR;
    if(H5Tclose(tid_m) < 0) TEST_ERROR;
    if(H5Tclose(tid_m2) < 0) TEST_ERROR;


    /* Close disk dataspace */
    if(H5Sclose(space) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    /* Free memory for test data */
    if(tmp)
        HDfree(tmp);

    H5E_BEGIN_TRY {
        if(native_type > 0) {
            H5Dvlen_reclaim(native_type, space, H5P_DEFAULT, rdata);
            H5Dvlen_reclaim(native_type, space, H5P_DEFAULT, wdata);
        } /* end if */
        H5Sclose(space);
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(nat_super_type);
        H5Tclose(tid);
        H5Tclose(tid2);
        H5Tclose(tid_m);
        H5Tclose(tid_m2);
    } H5E_END_TRY;

    return -1;
} /* end test_vl_type() */


/*-------------------------------------------------------------------------
 * Function:	test_vlstr_dtype
 *
 * Purpose:	Test H5Tget_native_type for variable length string datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_vlstr_dtype(hid_t file)
{
    const char *wdata[SPACE1_DIM1]= {
            "Four score and seven years ago our forefathers brought forth on this continent a new nation,",
            "conceived in liberty and dedicated to the proposition that all men are created equal.",
            "Now we are engaged in a great civil war,",
            "testing whether that nation or any nation so conceived and so dedicated can long endure."
    };                                  /* Information to write */
    char       *rdata[SPACE1_DIM1];     /* Information read in */
    hbool_t     rdata_alloc = FALSE;    /* Whether the read data is allocated */
    hid_t	dataset = -1;	        /* Dataset ID			*/
    hid_t	sid1 = -1;              /* Dataspace ID			*/
    hid_t	tid1 = -1, dtype = -1, native_type = -1;     /* Datatype ID			*/
    hsize_t	dims1[] = {SPACE1_DIM1};
    unsigned    i;                          /* counting variable */

    /* Output message about test being performed */
    TESTING("variable length string datatype");

    /* Create dataspace for datasets */
    if((sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL)) < 0) TEST_ERROR;

    /* Create a datatype to refer to */
    if((tid1 = H5Tcopy(H5T_C_S1)) < 0) TEST_ERROR;

    if(H5Tset_size(tid1,H5T_VARIABLE) < 0) TEST_ERROR;
    if(H5T_STRING != H5Tget_class(tid1) || !H5Tis_variable_str(tid1))
        TEST_ERROR;

    /* Create a dataset */
    if((dataset = H5Dcreate2(file, DSET_VLSTR_NAME, tid1, sid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Write dataset to disk */
    if(H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata) < 0) TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Open a dataset */
    if((dataset = H5Dopen2(file, DSET_VLSTR_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Get datatype for dataset */
    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    /* Construct native type */
    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check if the data type is equal */
    if(!H5Tequal(native_type, tid1))
        TEST_ERROR;

    /* Read dataset from disk */
    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata) < 0) TEST_ERROR;
    rdata_alloc = TRUE;

    /* Compare data read in */
    for(i = 0; i < SPACE1_DIM1; i++) {
        if(HDstrlen(wdata[i]) != HDstrlen(rdata[i])) {
            H5_FAILED();
            HDprintf("    VL data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",
                    (int)i, (int)HDstrlen(wdata[i]), (int)i, (int)HDstrlen(rdata[i]));
            goto error;
        } /* end if */
        if(HDstrcmp(wdata[i], rdata[i]) != 0 ) {
            H5_FAILED();
            HDprintf("    VL data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",
                    (int)i, wdata[i], (int)i, rdata[i]);
            goto error;
        } /* end if */
    } /* end for */

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid1) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;

    /* Close disk dataspace */
    if(H5Sclose(sid1) < 0) TEST_ERROR;

    /* Free memory for rdata */
    for(i = 0; i < SPACE1_DIM1; i++)
        HDfree(rdata[i]);
    rdata_alloc = FALSE;

    PASSED();
    return 0;

error:
    if(rdata_alloc) {
        /* Free memory for rdata */
        for(i = 0; i < SPACE1_DIM1; i++)
            HDfree(rdata[i]);
    } /* end if */

    H5E_BEGIN_TRY {
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(sid1);
        H5Tclose(tid1);
    } H5E_END_TRY;

    return -1;
} /* end test_vlstr_dtype() */


/*-------------------------------------------------------------------------
 * Function:	test_str_dtype
 *
 * Purpose:	Test H5Tget_native_type for fixed-length string datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_str_dtype(hid_t file)
{
    const char  wdata[SPACE1_DIM1][4]= {
            "one",
            "two",
            "3rd",
            "4th"
    };                              /* Information to write */
    char        rdata[SPACE1_DIM1][4];  /* Information read in */
    hid_t	dataset = -1;	    /* Dataset ID			*/
    hid_t	sid1 = -1;          /* Dataspace ID			*/
    hid_t	tid1 = -1, dtype = -1, native_type = -1; /* Datatype ID			*/
    hsize_t	dims1[] = {SPACE1_DIM1};
    unsigned    i;                      /* counting variable */

    /* Output message about test being performed */
    TESTING("fixed-length string datatype");

    /* Create dataspace for datasets */
    if((sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL)) < 0) TEST_ERROR;

    /* Create a datatype to refer to */
    if((tid1 = H5Tcopy (H5T_C_S1)) < 0) TEST_ERROR;

    if(H5Tset_size(tid1, 4) < 0) TEST_ERROR;
    if(H5T_STRING != H5Tget_class(tid1)) TEST_ERROR;

    /* Create a dataset */
    if((dataset = H5Dcreate2(file, DSET_STR_NAME, tid1, sid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Write dataset to disk */
    if(H5Dwrite(dataset, tid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata) < 0) TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Open a dataset */
    if((dataset = H5Dopen2(file, DSET_STR_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    /* Get datatype for dataset */
    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    /* Construct native type */
    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check if the data type is equal */
    if(!H5Tequal(native_type, tid1) || H5T_STRING!=H5Tget_class(native_type))
        TEST_ERROR;

    /* Read dataset from disk */
    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rdata) < 0) TEST_ERROR;

    /* Compare data read in */
    for(i = 0; i < SPACE1_DIM1; i++) {
        if(HDstrlen(wdata[i]) != HDstrlen(rdata[i])) {
            H5_FAILED();
            HDprintf("    data length don't match!, strlen(wdata[%d])=%d, strlen(rdata[%d])=%d\n",
                    (int)i, (int)HDstrlen(wdata[i]), (int)i, (int)HDstrlen(rdata[i]));
            goto error;
        } /* end if */
        if(HDstrcmp(wdata[i], rdata[i]) != 0 ) {
            H5_FAILED();
            HDprintf("    data values don't match!, wdata[%d]=%s, rdata[%d]=%s\n",
                    (int)i, wdata[i], (int)i, rdata[i]);
            goto error;
        } /* end if */
    } /* end for */

    /* Close Dataset */
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid1) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;

    /* Close disk dataspace */
    if(H5Sclose(sid1) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Dclose(dataset);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Tclose(tid1);
        H5Tclose(sid1);
    } H5E_END_TRY;

    return -1;
} /* end test_str_dtype() */


/*-------------------------------------------------------------------------
 * Function:	test_refer_dtype
 *
 * Purpose:	Test H5Tget_native_type for reference datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_refer_dtype(hid_t file)
{
    /* Compound datatype */
    typedef struct s1_t {
        unsigned int a;
        unsigned int b;
        float c;
    } s1_t;

    hid_t	dataset = -1;   /* Dataset ID			*/
    hid_t	group = -1;     /* Group ID             */
    hid_t	sid1 = -1;      /* Dataspace ID			*/
    hid_t	tid1 = -1, dtype = -1, native_type = -1;       /* Datatype ID	*/
    hsize_t	dims1[] = {1};
    H5O_type_t  obj_type;       /* Object type */
    hobj_ref_t *wbuf = NULL,    /* buffer to write to disk */
               *rbuf = NULL;    /* buffer read from disk */

    /* Output message about test being performed */
    TESTING("reference datatype");

    /* Allocate write & read buffers */
    if(NULL == (wbuf = (hobj_ref_t *)HDmalloc(MAX(sizeof(unsigned), sizeof(hobj_ref_t)))))
        TEST_ERROR
    if(NULL == (rbuf = (hobj_ref_t *)HDmalloc(MAX(sizeof(unsigned), sizeof(hobj_ref_t)))))
        TEST_ERROR

    /* Create dataspace for datasets */
    if((sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL)) < 0)
        TEST_ERROR;

    /* Create a group */
    if((group = H5Gcreate2(file, "Group1", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* Create a datatype to refer to */
    if((tid1 = H5Tcreate (H5T_COMPOUND, sizeof(s1_t))) < 0)
        TEST_ERROR;

    /* Insert fields */
    if(H5Tinsert (tid1, "a", HOFFSET(s1_t,a), H5T_NATIVE_INT) < 0)
        TEST_ERROR;

    if(H5Tinsert (tid1, "b", HOFFSET(s1_t, b), H5T_NATIVE_INT) < 0)
        TEST_ERROR;

    if(H5Tinsert(tid1, "c", HOFFSET(s1_t, c), H5T_NATIVE_FLOAT) < 0)
        TEST_ERROR;

    /* Save datatype for later */
    if(H5Tcommit2(group, "Datatype1", tid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT) < 0)
        TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid1) < 0)
        TEST_ERROR;

    /* Close group */
    if(H5Gclose(group) < 0)
        TEST_ERROR;

    /* Create a dataset */
    if((dataset = H5Dcreate2(file, "Dataset3", H5T_STD_REF_OBJ, sid1, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create reference to named datatype */
    if(H5Rcreate(wbuf, file, "/Group1/Datatype1", H5R_OBJECT, (hid_t)-1) < 0)
        TEST_ERROR;
    if(H5Rget_obj_type2(dataset, H5R_OBJECT, wbuf, &obj_type) < 0)
        TEST_ERROR;
    if(obj_type != H5O_TYPE_NAMED_DATATYPE)
        TEST_ERROR;

    /* Write selection to disk */
    if(H5Dwrite(dataset, H5T_STD_REF_OBJ, H5S_ALL, H5S_ALL, H5P_DEFAULT, wbuf) < 0)
        TEST_ERROR;

    /* Close disk dataspace */
    if(H5Sclose(sid1) < 0)
        TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0)
        TEST_ERROR;

    /* Open the dataset */
    if((dataset = H5Dopen2(file, "/Dataset3", H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Get datatype for dataset */
    if((dtype = H5Dget_type(dataset)) < 0)
        TEST_ERROR;

    /* Construct native type */
    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check if the data type is equal */
    if(!H5Tequal(native_type, H5T_STD_REF_OBJ))
        TEST_ERROR;

    /* Read selection from disk */
    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf) < 0)
        TEST_ERROR;

    /* Open datatype object */
    if((tid1 = H5Rdereference2(dataset, H5P_DEFAULT, H5R_OBJECT, rbuf)) < 0)
        TEST_ERROR;

    /* Verify correct datatype */
    if(H5Tget_class(tid1) != H5T_COMPOUND)
        TEST_ERROR;

    if(H5Tget_nmembers(tid1)!=3)
        TEST_ERROR;

    /* Close datatype */
    if(H5Tclose(tid1) < 0)
        TEST_ERROR;

    if(H5Tclose(native_type) < 0)
        TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dataset) < 0)
        TEST_ERROR;

    /* Free memory buffers */
    HDfree(wbuf);
    HDfree(rbuf);

    PASSED();

    return 0;

error:
    if(wbuf)
        HDfree(wbuf);
    if(rbuf)
        HDfree(rbuf);

    H5E_BEGIN_TRY {
        H5Sclose(sid1);
        H5Gclose(group);
        H5Tclose(tid1);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Dclose(dataset);
    } H5E_END_TRY;

    return -1;
}   /* test_refer_dtype() */


/*-------------------------------------------------------------------------
 * Function:	test_refer_dtype2
 *
 * Purpose:	Test H5Tget_native_type for reference
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_refer_dtype2(hid_t file)
{
    hid_t           dset1 = -1,      /* Dataset ID			*/
                    dset2 = -1;      /* Dereferenced dataset ID */
    hid_t           sid1 = -1,       /* Dataspace ID	#1		*/
                    sid2 = -1;       /* Dataspace ID	#2		*/
    hid_t           dtype = -1, native_type = -1;
    hsize_t         dims1[] = { 1 }, dims2[] = { SPACE2_DIM1, SPACE2_DIM2 };
    hsize_t         start[SPACE2_RANK];     /* Starting location of hyperslab */
    hsize_t         stride[SPACE2_RANK];    /* Stride of hyperslab */
    hsize_t         count[SPACE2_RANK];     /* Element count of hyperslab */
    hsize_t         block[SPACE2_RANK];     /* Block size of hyperslab */
    hdset_reg_ref_t wbuf,       /* buffer to write to disk */
                    rbuf;       /* buffer read from disk */
    uint8_t        *dwbuf = NULL, /* Buffer for writing numeric data to disk */
                    *drbuf = NULL; /* Buffer for reading numeric data from disk */
    uint8_t        *tu8 = NULL; /* Temporary pointer to uint8 data */
    H5O_type_t      obj_type;   /* Object type */
    int             i;          /* counting variables */

    /* Output message about test being performed */
    TESTING("dataset region reference");

    /* Allocate write & read buffers */
    if(NULL == (dwbuf = (uint8_t *)HDmalloc(sizeof(uint8_t) * SPACE2_DIM1 * SPACE2_DIM2)))
        TEST_ERROR
    if(NULL == (drbuf = (uint8_t *)HDcalloc(sizeof(uint8_t), SPACE2_DIM1 * SPACE2_DIM2)))
        TEST_ERROR

    /* Create dataspace for datasets */
    if((sid2 = H5Screate_simple(SPACE2_RANK, dims2, NULL)) < 0)
        TEST_ERROR;

    /* Create a dataset */
    if((dset2 = H5Dcreate2(file, "Dataset2", H5T_STD_U8LE, sid2, H5P_DEFAULT,
            H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    for(tu8 = dwbuf, i = 0; i < SPACE2_DIM1 * SPACE2_DIM2; i++)
        *tu8++ = (uint8_t)(i * 3);

    /* Write selection to disk */
    if(H5Dwrite(dset2, H5T_STD_U8LE, H5S_ALL, H5S_ALL, H5P_DEFAULT, dwbuf) < 0)
        TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dset2) < 0)
        TEST_ERROR;

    /* Create dataspace for the reference dataset */
    if((sid1 = H5Screate_simple(SPACE1_RANK, dims1, NULL)) < 0)
        TEST_ERROR;

    /* Create a reference dataset */
    if((dset1 = H5Dcreate2(file, "Dataset1", H5T_STD_REF_DSETREG, sid1,
            H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Create references */
    /* Select 6x6 hyperslab for first reference */
    start[0] = 2;
    start[1] = 2;
    stride[0] = 1;
    stride[1] = 1;
    count[0] = 1;
    count[1] = 1;
    block[0] = 6;
    block[1] = 6;

    if(H5Sselect_hyperslab(sid2, H5S_SELECT_SET, start, stride, count, block) < 0)
        TEST_ERROR;

    if((int)H5Sget_select_npoints(sid2) != 36)
        TEST_ERROR;

    /* Store first dataset region */
    if(H5Rcreate(&wbuf, file, "/Dataset2", H5R_DATASET_REGION, sid2) < 0)
        TEST_ERROR;
    if(H5Rget_obj_type2(dset1, H5R_DATASET_REGION, &wbuf, &obj_type) < 0)
        TEST_ERROR;
    if(obj_type != H5O_TYPE_DATASET)
        TEST_ERROR;

    /* Write selection to disk */
    if(H5Dwrite(dset1, H5T_STD_REF_DSETREG, H5S_ALL, H5S_ALL, H5P_DEFAULT, &wbuf) < 0)
        TEST_ERROR;

    /* Close disk dataspace */
    if(H5Sclose(sid1) < 0)
        TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dset1) < 0)
        TEST_ERROR;

    /* Close uint8 dataset dataspace */
    if(H5Sclose(sid2) < 0)
        TEST_ERROR;

    /* Open the dataset */
    if((dset1 = H5Dopen2(file, "/Dataset1", H5P_DEFAULT)) < 0)
        TEST_ERROR;

    /* Get datatype for dataset */
    if((dtype = H5Dget_type(dset1)) < 0)
        TEST_ERROR;

    /* Construct native type */
    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    /* Check if the data type is equal */
    if(!H5Tequal(native_type, H5T_STD_REF_DSETREG))
        TEST_ERROR;

    /* Read selection from disk */
    if(H5Dread(dset1, H5T_STD_REF_DSETREG, H5S_ALL, H5S_ALL, H5P_DEFAULT, &rbuf) < 0)
        TEST_ERROR;

    /* Try to open objects */
    if((dset2 = H5Rdereference2(dset1, H5P_DEFAULT, H5R_DATASET_REGION, &rbuf)) < 0)
        TEST_ERROR;

    /* Check what H5Rget_obj_type2 function returns */
    if(H5Rget_obj_type2(dset1, H5R_DATASET_REGION, &rbuf, &obj_type) < 0)
        TEST_ERROR;
    if(obj_type != H5O_TYPE_DATASET)
        TEST_ERROR;

    /* Check information in referenced dataset */
    if((sid1 = H5Dget_space(dset2)) < 0)
        TEST_ERROR;

    if((int)H5Sget_simple_extent_npoints(sid1) != 100)
        TEST_ERROR;

    /* Read from disk */
    if(H5Dread(dset2, H5T_STD_U8LE, H5S_ALL, H5S_ALL, H5P_DEFAULT, drbuf) < 0)
        TEST_ERROR;

    for(tu8 = (uint8_t *)drbuf, i = 0; i < (SPACE2_DIM1 * SPACE2_DIM2); i++, tu8++)
        if(*tu8 != (uint8_t)(i * 3))
            TEST_ERROR;

    /* Get the hyperslab selection */
    if((sid2 = H5Rget_region(dset1, H5R_DATASET_REGION, &rbuf)) < 0)
        TEST_ERROR;

    /* Verify correct hyperslab selected */
    if((int)H5Sget_select_npoints(sid2) != 36)
        TEST_ERROR;
    if((int)H5Sget_select_hyper_nblocks(sid2) != 1)
        TEST_ERROR;

    /* Close region space */
    if(H5Sclose(sid2) < 0)
        TEST_ERROR;

    /* Close first space */
    if(H5Sclose(sid1) < 0)
        TEST_ERROR;

    /* Close dereferenced Dataset */
    if(H5Dclose(dset2) < 0)
        TEST_ERROR;

    /* Close Dataset */
    if(H5Dclose(dset1) < 0)
        TEST_ERROR;

    /* Free memory buffers */
    HDfree(dwbuf);
    HDfree(drbuf);

    PASSED();
    return 0;

error:
    /* Free memory buffers */
    if(dwbuf)
        HDfree(dwbuf);
    if(drbuf)
        HDfree(drbuf);

    H5E_BEGIN_TRY {
        H5Sclose(sid2);
        H5Sclose(sid1);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Dclose(dset2);
        H5Dclose(dset1);
    } H5E_END_TRY;

    return -1;
}   /* test_refer_dtype2() */


/*-------------------------------------------------------------------------
 * Function:	test_opaque_dtype
 *
 * Purpose:	Test H5Tget_native_type for opaque datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_opaque_dtype(hid_t file)
{
    hid_t	     type = -1, space = -1, dset = -1;
    hid_t            dataset = -1, dtype = -1, native_type = -1;
    size_t           i;
    unsigned char    wbuf[32], rbuf[32];
    hsize_t	     nelmts;

    TESTING("opaque datatype");

    /* opaque_1 */
    nelmts = sizeof(wbuf);
    if((type = H5Tcreate(H5T_OPAQUE, 1)) < 0) TEST_ERROR;
    if(H5Tset_tag(type, "testing 1-byte opaque type") < 0) TEST_ERROR;
    if((space = H5Screate_simple(1, &nelmts, NULL)) < 0) TEST_ERROR;
    if((dset = H5Dcreate2(file, DSET_OPAQUE_NAME, type, space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        TEST_ERROR;

    for(i = 0; i < sizeof(wbuf); i++)
        wbuf[i] = (unsigned char)0xff ^ (unsigned char)i;

    if(H5Dwrite(dset, type, H5S_ALL, H5S_ALL, H5P_DEFAULT, wbuf) < 0) TEST_ERROR;
    if(H5Sclose(space) < 0) TEST_ERROR;
    if(H5Dclose(dset) < 0) TEST_ERROR;


    /* Open dataset again to check H5Tget_native_type */
    if((dataset = H5Dopen2(file, DSET_OPAQUE_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0)
        TEST_ERROR;

    if(!H5Tequal(native_type, type)) TEST_ERROR;

    if(H5Dread(dataset, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf) < 0)
        TEST_ERROR;

    for(i = 0; i < sizeof(rbuf); i++)
        if(rbuf[i] != wbuf[i]) {
            H5_FAILED();
            HDprintf("    Read different values than written.\n");
            HDprintf("    At index %u\n", (unsigned)i);
            goto error;
        } /* end if */

    if(H5Tclose(type) < 0) TEST_ERROR;
    if(H5Tclose(dtype) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Dclose(dataset) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Tclose(type);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Dclose(dset);
        H5Dclose(dataset);
    } H5E_END_TRY;

    return -1;
} /* test_opaque_dtype */


/*-------------------------------------------------------------------------
 * Function:	test_bitfield_dtype
 *
 * Purpose:	Test H5Tget_native_type for bitfield datatype
 *
 * Return:	Success:	0
 *
 *		Failure:	-1
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *              Raymond Lu
 *              1 December 2009
 *              I added the support for bitfield and changed the test to
 *              compare the data being read back.
 *-------------------------------------------------------------------------
 */
static herr_t
test_bitfield_dtype(hid_t file)
{
    hid_t		type=-1, space=-1, dset1=-1, dset2=-1;
    hid_t               dataset1=-1, dataset2=-1, dtype=-1, native_type=-1;
    size_t		ntype_size, i;
    unsigned char  	wbuf[BITFIELD_ENUMB*sizeof(int)];
    unsigned char       *p=NULL;
    void                *rbuf = NULL;
    unsigned int        intw[BITFIELD_ENUMB], intr[BITFIELD_ENUMB];
    hsize_t		nelmts;

    TESTING("bitfield datatype");

    nelmts = BITFIELD_ENUMB;
    if((type = H5Tcopy(H5T_STD_B32BE)) < 0) TEST_ERROR;

    if((space = H5Screate_simple(1, &nelmts, NULL)) < 0) TEST_ERROR;

    /* Create and write to dataset1 with a unsigned char buffer */
    if((dset1 = H5Dcreate2(file, DSET1_BITFIELD_NAME, type, space, H5P_DEFAULT, H5P_DEFAULT,
        H5P_DEFAULT)) < 0) TEST_ERROR;

    for(i = 0; i < BITFIELD_ENUMB*sizeof(int); i++)
        wbuf[i] = (unsigned char)((unsigned int)0xff ^ (unsigned int)i);

    if(H5Dwrite(dset1, H5T_NATIVE_B32, H5S_ALL, H5S_ALL, H5P_DEFAULT, wbuf) < 0) TEST_ERROR;
    if(H5Dclose(dset1) < 0) TEST_ERROR;

    /* Create and write to dataset2 with a unsigned int buffer */
    if((dset2 = H5Dcreate2(file, DSET2_BITFIELD_NAME, type, space, H5P_DEFAULT, H5P_DEFAULT,
        H5P_DEFAULT)) < 0) TEST_ERROR;

    for(i = 0; i < BITFIELD_ENUMB; i++)
        intw[i] = (unsigned int)0xff << (unsigned int)((i*8)%32);

    if(H5Dwrite(dset2, H5T_NATIVE_B32, H5S_ALL, H5S_ALL, H5P_DEFAULT, intw) < 0) TEST_ERROR;
    if(H5Dclose(dset2) < 0) TEST_ERROR;
    if(H5Sclose(space) < 0) TEST_ERROR;
    if(H5Tclose(type) < 0) TEST_ERROR;

    /* Open dataset1 again to check H5Tget_native_type */
    if((dataset1 = H5Dopen2(file, DSET1_BITFIELD_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset1)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0) TEST_ERROR;

    if((ntype_size = H5Tget_size(native_type)) == 0) TEST_ERROR;

    rbuf = HDmalloc((size_t)nelmts*ntype_size);

    /* Read the data and compare them */
    if(H5Dread(dataset1, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, rbuf) < 0) TEST_ERROR;

    p = (unsigned char *)rbuf;
    for(i = 0; i < BITFIELD_ENUMB*4; i++) {
        if(*p != wbuf[i]) {
            H5_FAILED();
            HDprintf("    Read different values than written.\n");
            HDprintf("    At index %zu\n", i);
            TEST_ERROR;
        }
        p++;
    }

    if(H5Tclose(dtype) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Dclose(dataset1) < 0) TEST_ERROR;
    if(rbuf) HDfree(rbuf);

    /* Open dataset2 again to check H5Tget_native_type */
    if((dataset2 = H5Dopen2(file, DSET2_BITFIELD_NAME, H5P_DEFAULT)) < 0) TEST_ERROR;

    if((dtype = H5Dget_type(dataset2)) < 0) TEST_ERROR;

    if((native_type = H5Tget_native_type(dtype, H5T_DIR_DEFAULT)) < 0) TEST_ERROR;

    /* Read the data and compare them */
    if(H5Dread(dataset2, native_type, H5S_ALL, H5S_ALL, H5P_DEFAULT, intr) < 0) TEST_ERROR;

    for(i = 0; i < BITFIELD_ENUMB; i++) {
        if(intr[i] != intw[i]) {
            H5_FAILED();
            HDprintf("    Read different values than written.\n");
            HDprintf("    At index %zu\n", i);
            TEST_ERROR;
        }
    }

    if(H5Tclose(dtype) < 0) TEST_ERROR;
    if(H5Tclose(native_type) < 0) TEST_ERROR;
    if(H5Dclose(dataset2) < 0) TEST_ERROR;

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Sclose(space);
        H5Tclose(type);
        H5Tclose(dtype);
        H5Tclose(native_type);
        H5Dclose(dset1);
        H5Dclose(dset2);
        H5Dclose(dataset1);
        H5Dclose(dataset2);
    } H5E_END_TRY;

    return -1;
} /* test_bitfield_dtype */


/*-------------------------------------------------------------------------
 * Function: test_ninteger
 *
 * Purpose: Test the native integer function; made to check the case
 * like the Cray SV1, where the size of short is 8 but precision is 32
 *
 * Return: Success: 0
 *  Failure: -1
 *
 * Programmer: pvn@ncsa.uiuc.edu
 *  September 3, 2004
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
static herr_t
test_ninteger(void)
{
    hid_t     fid1 = -1;             /* file ID */
    hid_t     fid2 = -1;             /* file ID */
    hid_t     did1 = -1;             /* dataset ID */
    hid_t     did2 = -1;             /* dataset ID */
    hid_t     sid1 = -1;             /* dataspace ID */
    hid_t     dcpl1 = -1;            /* dataset creation property list ID */
    hid_t     dcpl2 = -1;            /* dataset creation property list ID */
    hid_t     tid1 = -1;             /* file datatype */
    hid_t     tid2 = -1;             /* file datatype */
    hid_t     nid1 = -1;             /* native datatype */
    hid_t     nid2 = -1;             /* native datatype */
    hsize_t   dims[1] = {DIM3};      /* dataspace dimensions */
    hsize_t   nelmts;                /* number of elements in dataset */
    int       rank = 1;              /* rank of dataset */
    int       buf[DIM3];
    int       chk[DIM3];
    int       i;

    TESTING("native integer ");

    for(i = 0; i < DIM3; i++)
        buf[i] = i;

    /*-------------------------------------------------------------------------
     * step1: create a file
     *-------------------------------------------------------------------------
     */
    /* create a file using default properties */
    if((fid1 = H5Fcreate("tstint1.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0)
        FAIL_STACK_ERROR

    /* create a data space */
    if((sid1 = H5Screate_simple(rank, dims, NULL)) < 0) FAIL_STACK_ERROR

    /* create dcpl  */
    if((dcpl1 = H5Pcreate(H5P_DATASET_CREATE)) < 0) FAIL_STACK_ERROR

    /* create a dataset */
    if((did1 = H5Dcreate2(fid1, "dset", H5T_NATIVE_INT, sid1, H5P_DEFAULT, dcpl1, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* write */
    if(H5Dwrite(did1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf) < 0) FAIL_STACK_ERROR

    /* close  */
    if(H5Sclose(sid1) < 0) FAIL_STACK_ERROR
    if(H5Pclose(dcpl1) < 0) FAIL_STACK_ERROR
    if(H5Dclose(did1) < 0) FAIL_STACK_ERROR
    if(H5Fclose(fid1) < 0) FAIL_STACK_ERROR

    /*-------------------------------------------------------------------------
     * step 2: open and create another file copying the data from file1
     *-------------------------------------------------------------------------
     */

    /* open */
    if((fid1 = H5Fopen("tstint1.h5", H5F_ACC_RDONLY, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* open dataset */
    if((did1 = H5Dopen2(fid1, "dset", H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    if((sid1 = H5Dget_space(did1)) < 0) FAIL_STACK_ERROR

    /* get dcpl */
    if((dcpl1 = H5Dget_create_plist(did1)) < 0) FAIL_STACK_ERROR

    /* get file datatype */
    if((tid1 = H5Dget_type(did1)) < 0) FAIL_STACK_ERROR

    /* get native datatype */
    if((nid1 = H5Tget_native_type(tid1, H5T_DIR_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* get size */
    if(H5Tget_size(nid1) == 0) FAIL_STACK_ERROR

    /* get rank */
    if((rank = H5Sget_simple_extent_ndims(sid1)) < 0) FAIL_STACK_ERROR
    HDmemset(dims, 0, sizeof dims);

    /* get dimension */
    if(H5Sget_simple_extent_dims(sid1, dims, NULL) < 0) FAIL_STACK_ERROR
    nelmts = 1;
    for(i = 0; i < rank; i++)
        nelmts *= dims[i];

    /* read */
    if(H5Dread(did1, nid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, chk) < 0) FAIL_STACK_ERROR

    /* create a file using default properties */
    if((fid2 = H5Fcreate("tstint2.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* create a dataset using the native type */
    if((did2 = H5Dcreate2(fid2, "dset", nid1, sid1, H5P_DEFAULT, dcpl1, H5P_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* write */
    if(H5Dwrite(did2, nid1, H5S_ALL, H5S_ALL, H5P_DEFAULT, chk) < 0) FAIL_STACK_ERROR

    /* get dcpl */
    if((dcpl2 = H5Dget_create_plist(did2)) < 0) FAIL_STACK_ERROR

    /* get file datatype */
    if((tid2 = H5Dget_type(did2)) < 0) FAIL_STACK_ERROR

    /* get native datatype */
    if((nid2 = H5Tget_native_type(tid2, H5T_DIR_DEFAULT)) < 0) FAIL_STACK_ERROR

    /* check */
    if(H5Tget_precision(nid1) != H5Tget_precision(nid2)) {
        HDprintf("    Precision differ.\n");
        TEST_ERROR
    } /* end if */

    /* compare dataset creation property lists */
    if(H5Pequal(dcpl1, dcpl2) <= 0) {
        HDprintf("    Property lists differ.\n");
        TEST_ERROR
    } /* end if */

    /* check */
    for(i = 0; i < DIM3; i++)
        if(buf[i] != chk[i]) {
            H5_FAILED();
            HDprintf("    Read different values than written.\n");
            HDprintf("    At index %d\n", i);
            TEST_ERROR
        } /* end if */

    /* close  */
    if(H5Sclose(sid1) < 0) FAIL_STACK_ERROR
    if(H5Pclose(dcpl1) < 0) FAIL_STACK_ERROR
    if(H5Pclose(dcpl2) < 0) FAIL_STACK_ERROR
    if(H5Tclose(tid1) < 0) FAIL_STACK_ERROR
    if(H5Tclose(tid2) < 0) FAIL_STACK_ERROR
    if(H5Tclose(nid1) < 0) FAIL_STACK_ERROR
    if(H5Tclose(nid2) < 0) FAIL_STACK_ERROR
    if(H5Dclose(did1) < 0) FAIL_STACK_ERROR
    if(H5Dclose(did2) < 0) FAIL_STACK_ERROR
    if(H5Fclose(fid1) < 0) FAIL_STACK_ERROR
    if(H5Fclose(fid2) < 0) FAIL_STACK_ERROR

    PASSED();
    return 0;

error:
    H5E_BEGIN_TRY {
        H5Pclose(dcpl1);
        H5Pclose(dcpl2);
        H5Tclose(tid1);
        H5Tclose(tid2);
        H5Tclose(nid1);
        H5Tclose(nid2);
        H5Dclose(did1);
        H5Dclose(did2);
        H5Sclose(sid1);
        H5Fclose(fid1);
        H5Fclose(fid2);
    } H5E_END_TRY;

    return -1;
} /* end test_ninteger() */


/*-------------------------------------------------------------------------
 * Function:	main
 *
 * Purpose:	Test H5Tget_native_type for different datatype
 *
 * Programmer:	Raymond Lu
 *		October 15, 2002
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
int
main(void)
{
    hid_t	file, fapl;
    int		nerrors = 0;
    char	filename[1024];

    h5_reset();
    fapl = h5_fileaccess();

    h5_fixname(FILENAME[0], fapl, filename, sizeof filename);
    if((file = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl)) < 0)
        goto error;

    nerrors += test_atomic_dtype(file) < 0 	? 1 : 0;
    nerrors += test_compound_dtype(file) < 0 	? 1 : 0;
    nerrors += test_compound_dtype2(file) < 0 	? 1 : 0;
    nerrors += test_compound_dtype3(file) < 0 	? 1 : 0;
    nerrors += test_compound_opaque(file) < 0 	? 1 : 0;
    nerrors += test_enum_dtype(file) < 0 	? 1 : 0;
    nerrors += test_array_dtype(file) < 0 	? 1 : 0;
    nerrors += test_array_dtype2(file) < 0 	? 1 : 0;
    nerrors += test_vl_dtype(file) < 0 	        ? 1 : 0;
    nerrors += test_vlstr_dtype(file) < 0 	? 1 : 0;
    nerrors += test_str_dtype(file) < 0         ? 1 : 0;
    nerrors += test_refer_dtype(file) < 0 	? 1 : 0;
    nerrors += test_refer_dtype2(file) < 0 	? 1 : 0;
    nerrors += test_opaque_dtype(file) < 0 	? 1 : 0;
    nerrors += test_bitfield_dtype(file) < 0 	? 1 : 0;
    nerrors += test_ninteger() < 0              ? 1 : 0;

    if(H5Fclose(file) < 0)
        goto error;

    /* Verify symbol table messages are cached */
    nerrors += (h5_verify_cached_stabs(FILENAME, fapl) < 0 ? 1 : 0);

    if(nerrors)
        goto error;

    HDprintf("All native datatype tests passed.\n");
    h5_cleanup(FILENAME, fapl);

    return 0;

error:
    H5E_BEGIN_TRY {
        H5Fclose(file);
        h5_cleanup(FILENAME, fapl);
    } H5E_END_TRY;

    nerrors = MAX(1, nerrors);
    HDprintf("***** %d DATASET TEST%s FAILED! *****\n",
            nerrors, 1 == nerrors ? "" : "S");

    return 1;
}

